\noindent 
\begin{tabular}{|p{1.5in}|p{3.5in}|p{0.5in}|p{0.5in}|}
\cline{1-4}
\texttt{disksim\_pf} & \texttt{Number of processors} & int & required \\ 
\cline{1-4}
\multicolumn{4}{|p{6in}|}{
This specifies the number of processors used by the simple system-level
model. These processors (and, more generally, DiskSim's system-level
model) are only used for the synthetic generation module.
}\\ 
\cline{1-4}
\multicolumn{4}{p{5in}}{}\\
\end{tabular}\\ 
\noindent 
\begin{tabular}{|p{1.5in}|p{3.5in}|p{0.5in}|p{0.5in}|}
\cline{1-4}
\texttt{disksim\_pf} & \texttt{Process-Flow Time Scale} & float & required \\ 
\cline{1-4}
\multicolumn{4}{|p{6in}|}{
This specifies a multiplicative scaling factor for computation times
``executed'' by a simulated processor. For example, 2.0~doubles each
computation time, and 0.5~halves each computation time.
}\\ 
\cline{1-4}
\multicolumn{4}{p{5in}}{}\\
\end{tabular}\\ 
